Q2 · 2023 · Paper 1Unclassified1 mark
QUESTION 2
Determine which expression represents the hydrogen ion (H+) concentration at a pH of 8.4.
(A) 1 × 10-8.4
(B) 1 × 10-5.6
(C) 1 × 10-0.9
(D) 1 × 10-0.8
WORKED SOLUTION
1 markAnswer A
OFFICIAL ANSWERA
QCAA awards 1 mark for selecting option A.
Correct option from the official QCAA answer key.